#include <mpi/mpi.h>

#include <iostream>
#include <sstream>

int main(int argc, char *argv[]) {
    // Initialize MPI
    MPI_Init(&argc, &argv);

    // Get the total number of tasks
    int num_tasks;
    MPI_Comm_size(MPI_COMM_WORLD, &num_tasks);

    // Get the task ID
    int task_id;
    MPI_Comm_rank(MPI_COMM_WORLD, &task_id);

    // Set up the string and print
    std::stringstream ss;
    ss << "Printing from task " << task_id << '/' << num_tasks << '\n';
    std::cout << ss.str();

    // Finish our MPI work
    MPI_Finalize();
    return 0;
}
